Home / 324,520,904.50-486,777,104.76-78,876,825.72

Finding the Fourth Proportional to 324,520,904.50, 486,777,104.76 and 78,876,825.72

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Solution

The fourth proportional to 324,520,904.50, 486,777,104.76 and 78,876,825.72 is: 118,314,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,520,904.50 : 486,777,104.76 = 78,876,825.72 : x
  2. Step 2: Convert to fraction form
    324,520,904.50/486,777,104.76 = 78,876,825.72/x
  3. Step 3: Cross multiply
    324,520,904.50x = 486,777,104.76 × 78,876,825.72
  4. Step 4: Simplify right side
    324,520,904.50x = 38,395,432,856,640,704
  5. Step 5: Solve for x
    x = 38,395,432,856,640,704/324,520,904.50
  6. Step 6: Final answer
    x = 118,314,205.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.